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[GM-CSF regulates the Vp16 induced leukemic cell apoptosis]
1Institute of Hematology, Union Hospital, Tongji Medical University, Wuhan 430022.
Zhonghua Xue Ye Xue Za Zhi = Zhonghua Xueyexue Zazhi
|June 1, 1997
Summary
Granulocyte-macrophage colony-stimulating factor (GM-CSF) was investigated for its effect on Vp16-induced leukemic cell apoptosis. GM-CSF suppressed apoptosis in HL-60 cells treated with Vp16.
Area of Science:
- Hematology
- Molecular Biology
- Cell Biology
Context:
- Leukemic cell apoptosis is a critical target for cancer therapy.
- Vp16 is a chemotherapeutic agent that induces apoptosis.
- Granulocyte-macrophage colony-stimulating factor (GM-CSF) plays a role in hematopoiesis and immune responses.
Purpose:
- To investigate the regulatory effects of GM-CSF on Vp16-induced apoptosis in human leukemic cells (HL-60).
Summary:
- A retrovirus vector expressing GM-CSF (N2A/CMV/GM-CSF) was introduced into HL-60 cells.
- HL-60 cells, both with and without GM-CSF gene transfer, were treated with Vp16.
- Vp16 induced characteristic apoptotic changes in control HL-60 cells, but these were suppressed in GM-CSF gene-transferred cells.
Impact:
- GM-CSF can inhibit the apoptosis of leukemic cells induced by Vp16.
- This finding suggests a potential role for GM-CSF in modulating chemotherapy efficacy in leukemia.
- Further research may explore therapeutic strategies involving GM-CSF in leukemia treatment.